Rohm DURO-A Translation Of The Original Operating Manual Download | Manualshive

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Operation | 6

Power Chuck DURO-A

39 / 52

6.4

Clamping the Workpiece

1.

Fully open the power chuck (external clamping).

Ø

The jaws move to the outermost position.

2.

Position the workpiece.

3.

Close the power chuck.

Ø

The jaws fix the workpiece.

ü

The workpiece is clamped.

Incorrect

Correct

Clamping length too short, projection
length too long

Additional support with centre or
bezel

Clamping Ø too large

Insert larger chuck

Workpiece too heavy and jaw step
too short

Support with centre or jaw step ex-
tended

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Summary of Contents for DURO-A

Page 1: ...Translation of the original operating manual Power Chuck DURO A Version 1 3 21 01 2020 Store for reference ID 1370463 EN...

Page 2: ......

Page 3: ...ting Materials 14 2 6 3 Eye Injuries due to Metal Chips 14 2 6 4 Risk of Burns due to Hot Surfaces 14 2 6 5 Dangers due to Imbalanced Workpieces 14 2 6 6 Dangers due to Power Failure 15 2 6 7 Danger o...

Page 4: ...ting the Top Jaws onto Base Jaws 38 6 4 Clamping the Workpiece 39 7 Maintenance 41 7 1 Personal Protective Equipment and Personnel Qualification 41 7 2 Maintenance Interval 41 7 3 Maintenance Work 42...

Page 5: ...for safe work with the power chuck In addition to the regulations listed here the local and user related operating instructions and the professional accident prevention regulations are to be observed...

Page 6: ...incorrect supply of media due to conversion repair or other manipulations on the clamping devices insofar as this has not been carried out by personnel authorised by R HM All liability for consequenti...

Page 7: ...lowing conven tions were agreed Text type Marking Function Operating instruction 1 2 etc Marks a sequence of actions Marks an individual operating instruction Marks an intermediate result of an operat...

Page 8: ...nt personal injury if not avoided List of all measures which must be taken to prevent con sequences WARNING Indicates a possible danger which may lead to permanent personal injury or death if not avoi...

Page 9: ...RO A the max imum permissible actuating force and speed must be observed Overview of Construction Sizes 19 The power chuck DURO A may be installed in machine tools for cutting and non cutting processe...

Page 10: ...ns not approved by the manufacturer Operation outside of the defined operating parameters Operation with insufficient maintenance Operation without or with insufficiently clamped workpiece Clamping of...

Page 11: ...t must be ensured that no machining can be carried out the operating pressure must be reduced to the lowest possible value the machine spindle speed must be considerably reduced To prevent the tension...

Page 12: ...truction for this purpose or who have extensive experience The qualified personnel must be able to read and understand the displays e g pressure force etc and to act accordingly The qualified personne...

Page 13: ...e connection between the clamped workpiece and the power chuck DURO A may become loose due to mechanical failure e g due to defective parts or incorrect operation e g excessive speed The work piece ma...

Page 14: ...is not permitted 2 6 4 Risk of Burns due to Hot Surfaces The power chuck DURO A may heat up during operation To prevent burns do not touch the power chuck DURO A after machining and allow to cool down...

Page 15: ...to unavoidable travel movements is excluded For this purpose 2 handed operation for example or preferably suitable safety guards can be used If there is a gap of less than 25 mm after the distance is...

Page 16: ...at first aid meas ures can be taken immediately 1 Shut the machine down immediately via the Emergency Stop button 2 Remove the person involved from the danger zone and sit or lay the person down 3 Cal...

Page 17: ...olding screws 4 Flange 11 Jaw holding screws 5 Protective bushing 17 Screw plug 6 Threaded ring 18 Conical lubricating nipple The power chuck DURO A is a 3 jaw chuck which is used to clamp regularly a...

Page 18: ...3 flange 4 pro tective bushing 5 threaded ring 6 holding ring 7 conical lubricating nipple 18 and base jaws 2 The piston 3 is connected to the draw tube of the clamping cylinder via a threaded ring 6...

Page 19: ...5000 Moment of inertia kg m 0 007 0 018 0 04 0 12 0 3 Weight without jaws kg 4 3 7 11 5 19 6 33 Adaption to short taper mounting DIN ISO 702 1 KK4 KK4 KK5 KK4 KK5 KK6 KK5 KK6 KK8 KK6 ID no 183705 1837...

Page 20: ...osion and may shorten the useful life Potentially explosive environments No Ambient temperature at place of op eration 5 C to 60 C Ambient temperature for storage 5 C to 60 C Dry and wet machining Wet...

Page 21: ...ram The reduction in clamping force is experimentally determined with the jaws assigned to the power chuck It is largely independent of the initial clamping force at a speed 0 Total clamping force kN...

Page 22: ...pened Size 110 135 165 210 254 315 400 rs mm 37 7 45 5 56 0 69 2 87 0 107 3 138 1 mGB in kg 0 16 0 24 0 40 0 61 1 14 1 40 3 30 3 2 5 Permissible Operating Materials The following grease is authorised...

Page 23: ...uipment Personal protective equipment must be in perfect condition when carry ing out work Defective safety equipment is to be replaced immediately Observe information on personal protective equipment...

Page 24: ...port Purposes With a weight of more than 15 kg the power chuck must be safely transpor ted with suitable slings over the tapped transport holes Size 110 135 165 210 254 315 400 Weight kg 4 3 7 0 11 5...

Page 25: ...power chuck Use tapped holes for transport purposes Observe tightening torque of the screws Wear personal protective equipment WARNING Crushing injuries and cuts due to start up of the machine dur in...

Page 26: ...nt is to be replaced immediately Observe information on personal protective equipment posted in the working area During rotational operation of the power chuck DURO A no protective gloves are to be wo...

Page 27: ...0 31 1 Unscrew the holding ring 7 from the piston 3 with the assembly key provided 30 31 2 Take out the threaded ring 6 3 Insert the special threaded ring adapter with collar for the correspond ing dr...

Page 28: ...sembly of power chuck on machine spindle or intermediate flange 30 Alternatively 1 Previously mount the special threaded ring adapter with thread 6 1 for the corresponding draw connection machine onto...

Page 29: ...75 5 3 Assembly of intermediate flange on machine spindle The intermediate flange is cleaned The machine spindle is cleaned 1 Place the intermediate flange on the machine spindle in the correct po sit...

Page 30: ...220 145135 8 210 39 171 4 170 174530 8 254 315 39 171 4 220 145143 11 254 48 235 220 174531 11 315 36 235 300 145147 11 400 40 235 380 174532 15 400 50 330 2 380 1 DIN 55021 upon request All attachme...

Page 31: ...load bearing equipment to the eyebolt only for size 210 7 Position the power chuck on the machine spindle 8 Screw the power chuck onto the draw tube as far as it will go Ensure that the draw tube thr...

Page 32: ...0 on the machine spindle with the permissible tightening torque Checking the Tightness of Screw Connections 42 14 Check for correct operation see Checking the Device for Correct Op eration 44 15 Check...

Page 33: ...ndle is carried out in reverse order For sizes 254 400 1 Disassemble the protective bushing 5 5 2 Move the draw tube into the front position 3 Move the piston 3 of the power chuck into the front posit...

Page 34: ...ck must be pressed against the spindle holder and screwed onto the machine spindle alternately with the three chuck fixing screws 10 provisionally 5 Nm 11 Remove the load bearing equipment from the ey...

Page 35: ...g Force 44 17 Turn in the screw plug 17 if fitted 18 Re assemble the protective bushing 5 Power chuck is mounted on the machine spindle Disassembly dismantling from the machine spindle Disassembly or...

Page 36: ...N Risk of burns due to hot surfaces Burns on hands Do not touch the power chuck when in operation Allow the power chuck to cool down before carrying out ne cessary work Wear personal protective equipm...

Page 37: ...to be worn during trans port assembly and maintenance and as long as the power chuck DURO A is at a standstill Wear protective gloves Wear safety goggles Wear safety shoes Work on and with the power...

Page 38: ...e is switched off and protected against being switched on again The base and top jaws are clean The slot nuts are clean 1 Insert the slot nuts into the base jaws 2 Place the top jaws on the base jaws...

Page 39: ...osition 2 Position the workpiece 3 Close the power chuck The jaws fix the workpiece The workpiece is clamped Incorrect Correct Clamping length too short projection length too long Additional support w...

Page 40: ...6 Operation 40 52 Power Chuck DURO A Incorrect Correct Clamping too small Clamping on largest possible clamp ing Workpieces with cast iron or forged tapers Clamping with self seating inserts...

Page 41: ...as the power chuck DURO A is at a standstill Wear protective gloves Wear safety goggles Wear safety shoes Work on and with the power chuck may only be carried out by qualified oper ating and specialis...

Page 42: ...n accordance with the screw grade For cylinder head screws of the conventional sizes M4 M24 and strength classes 8 8 10 9 and 12 9 the following tightening torque table applies Tightening torque in Nm...

Page 43: ...ontact with lubricants Construction size Quantity of grease strokes per lubric ating nipple 110 165 1 4 cm3 1 stroke 210 254 2 8 cm3 2 strokes 315 4 5 cm3 3 strokes 400 5 6 cm3 4 strokes Recommended g...

Page 44: ...able Overview of Construction Sizes In the event of faults the two end positions opened and closed and the pis ton stroke of the clamping cylinder must be checked 7 3 3 2 Checking Clamping Cylinder En...

Page 45: ...ck must be completely dismantled cleaned and re assembled Worn or damaged components must be replaced during the inspection Dismantling the power chuck The power chuck is dismantled from the intermedi...

Page 46: ...horough cleaning the power chuck Thoroughly clean the dismantled power chuck with a broom brush or cleaning cloth and remove grease residue dirt and abrasion The power chuck is clean Cleaning with com...

Page 47: ...er chuck DURO A personal protective equipment must be worn The owner is responsible for providing personal protective equipment Personal protective equipment must be in perfect condition when carry in...

Page 48: ...not in use the power chuck is to be stored in a dry protected place in accordance with the storage temperature Environmental and Operational Conditions 20 In the case of longer storage one year or mo...

Page 49: ...clamped Check jaw position and correct if necessary Measure distance of the jaws to the outer Balance workpiece or reduce speed The tensile force is not reached The cylinder is incor rectly adjusted C...

Page 50: ...he materials must be disposed of in an environ mentally way in accordance with the valid regulations Metal Metals must be recycled Disposal must be carried out in accordance with the applicable regula...

Page 51: ...Disposal 11 Power Chuck DURO A 51 52...

Page 52: ...11 Disposal 52 52 Power Chuck DURO A...

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